Master Caster Gemini Heavy-Duty Chair Mat Casters - 3in Diameter - 220 lb - Urethane - Gray, Black - 4 / Set

Built strong, perfect for hospitals, fits most medical applications. Grey and Black Finish. Safe and easy lock/release toggle brake, 2 per set. Prevents damage to chair mats and other hard floor surfaces. 4/Set. Eliminates hazards such as sliding, skating and run-away chairs. 1-1/2in x 1-1/2in plate attachment. Weight Rating: 220 lbs/Caster. 3in diameter heavy-duty twin wheel casters.